Received: 7 September 2022
Accepted: 9 June 2023
First Online: 14 July 2023
: This study was approved by the Ethics Committee of Hunan Children's Hospital (Approval No. KS2022-15). The informed consent was obtained from children’s parents. We confirmed that all methods were carriedout in accordance with the ethical standards as laid down in the 2013 Declaration of Helsinki and its later amendments.
: Not applicable.
: The authors declare that there is no competing interest.